/Engine/Source/Runtime/TypedElementFramework/Public/Elements/Interfaces/TypedElementDataStorageInterface.h
[ColumnDataResult](API\Runtime\TypedElementFramework\Elements\Interfaces\ColumnDataResult) AddOrGetColumnData ( TypedElementRowHandle Row, [FTopLevelAssetPath](API\Runtime\CoreUObject\UObject\FTopLevelAssetPath) ColumnName )